# Copyright 2022 The BladeDISC Authors. All rights reserved.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import os

__TF_LOG_ENV = 'TF_CPP_MIN_LOG_LEVEL'
__ENV_VALUE = os.environ.get(__TF_LOG_ENV, None)
try:
    import tf2onnx  # noqa: F401
finally:
    if __ENV_VALUE is not None:
        os.environ[__TF_LOG_ENV] = __ENV_VALUE
    elif __TF_LOG_ENV in os.environ:
        del os.environ[__TF_LOG_ENV]
